diplodocus.org Git - xorg-xinput/blob - src/xinput.c

   1 /*
   2  * Copyright 1996 by Frederic Lepied, France. <Frederic.Lepied@sugix.frmug.org>
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is  hereby granted without fee, provided that
   6  * the  above copyright   notice appear  in   all  copies and  that both  that
   7  * copyright  notice   and   this  permission   notice  appear  in  supporting
   8  * documentation, and that   the  name of  the authors  not  be  used  in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific,  written      prior  permission.     The authors  make  no
  11  * representations about the suitability of this software for any purpose.  It
  12  * is provided "as is" without express or implied warranty.
  13  *
  14  * THE AUTHORS DISCLAIM ALL   WARRANTIES WITH REGARD  TO  THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED   WARRANTIES OF MERCHANTABILITY  AND   FITNESS, IN NO
  16  * EVENT  SHALL THE AUTHORS  BE   LIABLE   FOR ANY  SPECIAL, INDIRECT   OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA  OR PROFITS, WHETHER  IN  AN ACTION OF  CONTRACT,  NEGLIGENCE OR OTHER
  19  * TORTIOUS  ACTION, ARISING    OUT OF OR   IN  CONNECTION  WITH THE USE    OR
  20  * PERFORMANCE OF THIS SOFTWARE.
  21  *
  22  */
  23
  24 #include "xinput.h"
  25 #include <ctype.h>
  26 #include <string.h>
  27
  28 int xi_opcode;
  29
  30 typedef int (*prog)(Display* display, int argc, char *argv[],
  31                     char *prog_name, char *prog_desc);
  32
  33 typedef struct
  34 {
  35     char        *func_name;
  36     char        *arg_desc;
  37     prog        func;
  38 } entry;
  39
  40 static entry drivers[] =
  41 {
  42     {"get-feedbacks",
  43      "<device name>",
  44      get_feedbacks
  45     },
  46     {"set-ptr-feedback",
  47      "<device name> <threshold> <num> <denom>",
  48      set_ptr_feedback
  49     },
  50     {"set-integer-feedback",
  51      "<device name> <feedback id> <value>",
  52      set_integer_feedback
  53     },
  54     {"get-button-map",
  55      "<device name>",
  56      get_button_map
  57     },
  58     {"set-button-map",
  59      "<device name> <map button 1> [<map button 2> [...]]",
  60      set_button_map
  61     },
  62     {"set-pointer",
  63      "<device name> [<x index> <y index>]",
  64      set_pointer
  65     },
  66     {"set-mode",
  67      "<device name> ABSOLUTE|RELATIVE",
  68      set_mode
  69     },
  70     {"list",
  71      "[--short || --long] [<device name>...]",
  72      list
  73     },
  74     {"query-state",
  75      "<device name>",
  76      query_state
  77     },
  78     {"test",
  79      "[-proximity] <device name>",
  80      test
  81     },
  82 #if HAVE_XI2
  83     { "create-master",
  84       "<id> [<sendCore (dflt:1)>] [<enable (dflt:1)>]",
  85       create_master
  86     },
  87     { "remove-master",
  88       "<id> [Floating|AttachToMaster (dflt:Floating)] [<returnPointer>] [<returnKeyboard>]",
  89       remove_master
  90     },
  91     { "reattach",
  92       "<id> <master>",
  93       change_attachment
  94     },
  95     { "float",
  96       "<id>",
  97       float_device
  98     },
  99     { "set-cp",
 100       "<window> <device>",
 101       set_clientpointer
 102     },
 103     { "test-xi2",
 104       "<device>",
 105       test_xi2,
 106     },
 107 #endif
 108     { "list-props",
 109       "<device> [<device> ...]",
 110       list_props
 111     },
 112     { "set-int-prop",
 113       "<device> <property> <format (8, 16, 32)> <val> [<val> ...]",
 114       set_int_prop
 115     },
 116     { "set-float-prop",
 117       "<device> <property> <val> [<val> ...]",
 118       set_float_prop
 119     },
 120     { "set-atom-prop",
 121       "<device> <property> <val> [<val> ...]",
 122       set_atom_prop
 123     },
 124     { "watch-props",
 125       "<device>",
 126       watch_props
 127     },
 128     { "delete-prop",
 129       "<device> <property>",
 130       delete_prop
 131     },
 132     { "set-prop",
 133       "<device> [--type=atom|float|int] [--format=8|16|32] <property> <val> [<val> ...]",
 134       set_prop
 135     },
 136     {NULL, NULL, NULL
 137     }
 138 };
 139
 140 static const char version_id[] = VERSION;
 141
 142 int
 143 print_version()
 144 {
 145     XExtensionVersion   *version;
 146     Display *display;
 147
 148     printf("xinput version %s\n", version_id);
 149
 150     display = XOpenDisplay(NULL);
 151
 152     printf("XI version on server: ");
 153
 154     if (display == NULL)
 155         printf("Failed to open display.\n");
 156     else {
 157         version = XGetExtensionVersion(display, INAME);
 158         if (!version || (version == (XExtensionVersion*) NoSuchExtension))
 159             printf(" Extension not supported.\n");
 160         else {
 161             printf("%d.%d\n", version->major_version,
 162                     version->minor_version);
 163             XFree(version);
 164             return 0;
 165         }
 166     }
 167
 168     return 1;
 169 }
 170
 171 int
 172 xinput_version(Display  *display)
 173 {
 174     XExtensionVersion   *version;
 175     static int vers = -1;
 176
 177     if (vers != -1)
 178         return vers;
 179
 180     version = XGetExtensionVersion(display, INAME);
 181
 182     if (version && (version != (XExtensionVersion*) NoSuchExtension)) {
 183         vers = version->major_version;
 184         XFree(version);
 185     }
 186
 187     return vers;
 188 }
 189
 190 XDeviceInfo*
 191 find_device_info(Display        *display,
 192                  char           *name,
 193                  Bool           only_extended)
 194 {
 195     XDeviceInfo *devices;
 196     XDeviceInfo *found = NULL;
 197     int         loop;
 198     int         num_devices;
 199     int         len = strlen(name);
 200     Bool        is_id = True;
 201     XID         id = (XID)-1;
 202
 203     for(loop=0; loop<len; loop++) {
 204         if (!isdigit(name[loop])) {
 205             is_id = False;
 206             break;
 207         }
 208     }
 209
 210     if (is_id) {
 211         id = atoi(name);
 212     }
 213
 214     devices = XListInputDevices(display, &num_devices);
 215
 216     for(loop=0; loop<num_devices; loop++) {
 217         if ((!only_extended || (devices[loop].use >= IsXExtensionDevice)) &&
 218             ((!is_id && strcmp(devices[loop].name, name) == 0) ||
 219              (is_id && devices[loop].id == id))) {
 220             if (found) {
 221                 fprintf(stderr,
 222                         "Warning: There are multiple devices named \"%s\".\n"
 223                         "To ensure the correct one is selected, please use "
 224                         "the device ID instead.\n\n", name);
 225                 return NULL;
 226             } else {
 227                 found = &devices[loop];
 228             }
 229         }
 230     }
 231     return found;
 232 }
 233
 234 #ifdef HAVE_XI2
 235 Bool is_pointer(int use)
 236 {
 237     return use == XIMasterPointer || use == XISlavePointer;
 238 }
 239
 240 Bool is_keyboard(int use)
 241 {
 242     return use == XIMasterKeyboard || use == XISlaveKeyboard;
 243 }
 244
 245 Bool device_matches(XIDeviceInfo *info, char *name)
 246 {
 247     if (strcmp(info->name, name) == 0) {
 248         return True;
 249     }
 250
 251     if (strncmp(name, "pointer:", strlen("pointer:")) == 0 &&
 252         strcmp(info->name, name + strlen("pointer:")) == 0 &&
 253         is_pointer(info->use)) {
 254         return True;
 255     }
 256
 257     if (strncmp(name, "keyboard:", strlen("keyboard:")) == 0 &&
 258         strcmp(info->name, name + strlen("keyboard:")) == 0 &&
 259         is_keyboard(info->use)) {
 260         return True;
 261     }
 262
 263     return False;
 264 }
 265
 266 XIDeviceInfo*
 267 xi2_find_device_info(Display *display, char *name)
 268 {
 269     XIDeviceInfo *info;
 270     XIDeviceInfo *found = NULL;
 271     int ndevices;
 272     Bool is_id = True;
 273     int i, id = -1;
 274
 275     for(i = 0; i < strlen(name); i++) {
 276         if (!isdigit(name[i])) {
 277             is_id = False;
 278             break;
 279         }
 280     }
 281
 282     if (is_id) {
 283         id = atoi(name);
 284     }
 285
 286     info = XIQueryDevice(display, XIAllDevices, &ndevices);
 287     for(i = 0; i < ndevices; i++)
 288     {
 289         if (is_id ? info[i].deviceid == id : device_matches (&info[i], name)) {
 290             if (found) {
 291                 fprintf(stderr,
 292                         "Warning: There are multiple devices matching '%s'.\n"
 293                         "To ensure the correct one is selected, please use "
 294                         "the device ID, or prefix the\ndevice name with "
 295                         "'pointer:' or 'keyboard:' as appropriate.\n\n", name);
 296                 XIFreeDeviceInfo(info);
 297                 return NULL;
 298             } else {
 299                 found = &info[i];
 300             }
 301         }
 302     }
 303
 304     return found;
 305 }
 306 #endif
 307
 308 static void
 309 usage(void)
 310 {
 311     entry       *pdriver = drivers;
 312
 313     fprintf(stderr, "usage :\n");
 314
 315     while(pdriver->func_name) {
 316         fprintf(stderr, "\txinput %s %s\n", pdriver->func_name,
 317                 pdriver->arg_desc);
 318         pdriver++;
 319     }
 320 }
 321
 322 int
 323 main(int argc, char * argv[])
 324 {
 325     Display     *display;
 326     entry       *driver = drivers;
 327     char        *func;
 328     int event, error;
 329
 330     if (argc < 2) {
 331         usage();
 332         return EXIT_FAILURE;
 333     }
 334
 335     func = argv[1];
 336     while((*func) == '-') func++;
 337
 338     if (strcmp("version", func) == 0) {
 339         return print_version(argv[0]);
 340     }
 341
 342     display = XOpenDisplay(NULL);
 343
 344     if (display == NULL) {
 345         fprintf(stderr, "Unable to connect to X server\n");
 346         return EXIT_FAILURE;
 347     }
 348
 349     if (!XQueryExtension(display, "XInputExtension", &xi_opcode, &event, &error)) {
 350         printf("X Input extension not available.\n");
 351         return EXIT_FAILURE;
 352     }
 353
 354     if (!xinput_version(display)) {
 355         fprintf(stderr, "%s extension not available\n", INAME);
 356         return EXIT_FAILURE;
 357     }
 358
 359     while(driver->func_name) {
 360         if (strcmp(driver->func_name, func) == 0) {
 361             int r = (*driver->func)(display, argc-2, argv+2,
 362                                     driver->func_name, driver->arg_desc);
 363             XSync(display, False);
 364             XCloseDisplay(display);
 365             return r;
 366         }
 367         driver++;
 368     }
 369
 370     usage();
 371
 372     return EXIT_FAILURE;
 373 }
 374
 375 /* end of xinput.c */